32628425 has 6 divisors (see below), whose sum is σ = 40459278. Its totient is φ = 26102720.

The previous prime is 32628419. The next prime is 32628437. The reversal of 32628425 is 52482623.

It can be written as a sum of positive squares in 3 ways, for example, as 8549776 + 24078649 = 2924^2 + 4907^2 .

It is not a de Polignac number, because 32628425 - 2¹² = 32624329 is a prime.

It is a super-2 number, since 2×32628425² = 2129228235961250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32628391 and 32628400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 652544 + ... + 652593.

It is an arithmetic number, because the mean of its divisors is an integer number (6743213).

Almost surely, 2^32628425 is an apocalyptic number.

It is an amenable number.

32628425 is a deficient number, since it is larger than the sum of its proper divisors (7830853).

32628425 is a wasteful number, since it uses less digits than its factorization.

32628425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305147 (or 1305142 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 32628425 is about 5712.1296378846. The cubic root of 32628425 is about 319.5450076722.

The spelling of 32628425 in words is "thirty-two million, six hundred twenty-eight thousand, four hundred twenty-five".